The role of inorganic phosphate in the regulation of C4 photosynthesis.

abstract：:Little is known about the mechanistic basis for the movement of promiscuous nucleic acids across cell membranes. To address this problem we sought conditions that would permit the entry of plasmid DNA into isolated, intact pea chloroplasts. DNA uptake did not occur normally, but was induced by hypotonic treatments, by...

journal_title：Photosynthesis research

authors： Cerutti H,Jagendorf A

更新日期：1995-11-01 00:00:00

abstract：:Chlorosomes of green photosynthetic bacterium Chlorobium tepidum contain aggregates of bacteriochlorophyll c (BChl c) with carotenoids and isoprenoid quinones. BChl aggregates with very similar optical properties can be prepared also in vitro either in non-polar solvents or in aqueous buffers with addition of lipids a...

journal_title：Photosynthesis research

authors： Alster J,Zupcanova A,Vacha F,Psencik J

更新日期：2008-02-01 00:00:00

abstract：:Cyanobacteria exhibit a novel form of non-photochemical quenching (NPQ) at the level of the phycobilisome. NPQ is a process that protects photosystem II (PSII) from possible highlight-induced photo-damage. Although significant advancement has been made in understanding the NPQ, there are still some missing details. Th...

journal_title：Photosynthesis research

authors： Sonani RR,Gardiner A,Rastogi RP,Cogdell R,Robert B,Madamwar D

更新日期：2018-08-01 00:00:00

abstract：:A computer model comprising light reactions in PS II and PS I, electron-proton transport reactions in mesophyll and bundle sheath chloroplasts, all enzymatic reactions and most of the known regulatory functions of NADP-ME type C(4) photosynthesis has been developed as a system of differential budget equations for inte...

journal_title：Photosynthesis research

authors： Laisk A,Edwards GE

更新日期：2000-01-01 00:00:00

abstract：:We present here the life and work of Shmuel Malkin (1934-2017), an accomplished scientist and a gifted musician who touched the lives of many around the world. His early scientific work addressed the dynamics of light harvesting and electron transport in photosynthesis. Later, he used photoacoustic and photothermal me...

journal_title：Photosynthesis research

authors： Herbert SK,Siderer Y,Govindjee

更新日期：2018-07-01 00:00:00

abstract：:In this report we demonstrate sulfite interaction with oxygen and PSII electron acceptors (ferricyanide and para-benzoquinone) during measurement of oxygen evolution in chloroplasts. Redox potentials of oxygen, ferricyanide and para-benzoquinone allow them to compete for sulfite. Without taking this into account, sulf...

journal_title：Photosynthesis research

authors： Beauregard M,Popovic R

更新日期：1987-01-01 00:00:00

abstract：:Induction of chlorophyll a fluorescence and photosynthesis as affected by temperature were measured in cucumber leaf discs. Abrupt changes of the maximal variable fluorescence, Fv(p), and photosynthesis were observed around 9° and 21°C when the temperature was decreased from 30° to 0°C. The temperature-dependent maxim...

journal_title：Photosynthesis research

authors： Janssen LH,Van Hasselt PR

更新日期：1988-02-01 00:00:00

abstract：:After a brief prologue on Otto Kandler's life, we describe briefly his pioneering work on photosynthesis (photophosphorylation and the carbon cycle) and his key participation in the discovery of the concept of three forms of life (Archaea, Prokarya, and Eukarya). With Otto Kandler's passing, both the international pho...

journal_title：Photosynthesis research

authors： Govindjee,Tanner W

更新日期：2018-09-01 00:00:00

abstract：:Dan Arnon, Bob Whatley, Mary Belle Allen, and their colleagues, were the first to obtain evidence for 'complete photosynthesis by isolated chloroplasts' albeit at rates which were 1% or less of those displayed by the intact leaf. By the 1960s, partly in the hope of confirming full functionality, there was a perceived ...

journal_title：Photosynthesis research

authors： Walker DA

更新日期：2003-01-01 00:00:00

abstract：:Leaf variegation mutants constitute a unique group of chloroplast development mutants and are ideal genetic materials to dissect the regulation of chloroplast development. We have utilized the Arabidopsis yellow variegated (var2) mutant and genetic suppressor analysis to probe the mechanisms of chloroplast development...

journal_title：Photosynthesis research

authors： Qi Y,Zhao J,An R,Zhang J,Liang S,Shao J,Liu X,An L,Yu F

更新日期：2016-03-01 00:00:00

abstract：:Four Indica and five Japonica varieties of rice (Oryza sativa L.) were examined to elucidate their differences in photosynthetic activity and dark respiratory rate as influenced by leaf nitrogen levels and temperatures. The photosynthetic rates of single leaf showed correlations with total nitrogen and soluble protein...

journal_title：Photosynthesis research

authors： Weng JH,Chen CY

更新日期：1987-01-01 00:00:00

abstract：:Chlorobaculum [Cba.] tepidum is known to grow optimally at 48-52 °C and can also be cultured at ambient temperatures. In this paper, we prepared constant temperature, temperature shift, and temperature shift followed by backshift cultures and investigated the intrinsic properties and spectral features of chlorosomes f...

journal_title：Photosynthesis research

authors： Tang JK,Xu Y,Muhlmann GM,Zare F,Khin Y,Tam SW

更新日期：2013-05-01 00:00:00

abstract：:The PAM-2000 portable chlorophyll fluorometer represents one of the first commercially available instruments utilizing the Pulse Amplitude Modulation (PAM) measurement principle, and has become a widely used platform for measuring chlorophyll fluorescence in a wide range of study systems. In this paper, we describe a ...

journal_title：Photosynthesis research

authors： Gray DW,Cardon ZG,Lewis LA

更新日期：2006-03-01 00:00:00

abstract：:Fluorescence and electron paramagnetic resonance measurements were used to study selenium influence on photosystem activity in rape seedlings affected by Cd stress. Water cultures containing Hoagland nutrients were supplemented with 400 microM of CdCl(2), 2 microM of Na(2)SeO(4) and a mixture of both CdCl(2) and Na(2)...

journal_title：Photosynthesis research

authors： Filek M,Kościelniak J,Łabanowska M,Bednarska E,Bidzińska E

更新日期：2010-07-01 00:00:00

abstract：:The chlorophyll-protein and polypeptide composition of manganese deficient and control sugar beet thylakoids was examined using three different detergent-electrophoresis systems. On a per chlorophyll basis, manganese deficiency reduced the amounts of CPa complex (separated by sodium dodecylsulfate (SDS)-polyacrylamide...

journal_title：Photosynthesis research

authors： Abadia J,Nishio JN,Terry N

更新日期：1986-01-01 00:00:00

abstract：:The photosystem II (PSII) manganese-stabilizing protein (PsbO) is known to be the essential PSII extrinsic subunit for stabilization and retention of the Mn and Cl(-) cofactors in the oxygen evolving complex (OEC) of PSII, but its function relative to Ca(2+) is less clear. To obtain a better insight into the relations...

journal_title：Photosynthesis research

authors： Popelkova H,Boswell N,Yocum C

更新日期：2011-12-01 00:00:00

abstract：:Oxygen may enhance CO2-saturated photosynthesis in intact leaves, which display the Warburg effect when illuminated at the current atmospheric level of CO2 and O2, of about 350 microl l(-1) and 21%, respectively. The magnitude of the stimulation depends on irradiance. The K(M)(O2) of the stimulation is 128 microM (10....

journal_title：Photosynthesis research

authors： Viil J,Ivanova H,Pärnik T

更新日期：2006-06-01 00:00:00

abstract：:A correlated influence of cation concentration and excitation energy level on PS II Abbreviations: AMPD = 2-amino-2-methyl-1,3-propanediol; DCIP = 2-6 dichlorophenol indophenol; DCIPH2 = DCIP in reduced state; DCIPr = rate of DCIP-reduction; DCMU = 3-(3,4 dichlorophenyl)1-1 dimethyl-urea; Fv = variable fluorescence; F...

journal_title：Photosynthesis research

authors： Berkaloff C,Duval JC

更新日期：1980-06-01 00:00:00

abstract：:The role of photosynthetic pigments in the development of separation methods in biochemistry during the period 1900-1980 is described beginning with M. Tswett who introduced separation of chlorophylls and carotenoids on columns and coined the term chromatography in 1906. In Uppsala, T. Svedberg developed the ultracent...

journal_title：Photosynthesis research

authors： Albertsson PA

更新日期：2003-01-01 00:00:00

abstract：:This review focuses on our recent efforts in synthetic ruthenium-tyrosine-manganese chemistry mimicking the donor side reactions of Photosystem II. Tyrosine and tryptophan residues were linked to ruthenium photosensitizers, which resulted in model complexes for proton-coupled electron transfer from amino acids. A new ...

journal_title：Photosynthesis research

authors： Lomoth R,Magnuson A,Sjödin M,Huang P,Styring S,Hammarström L

更新日期：2006-01-01 00:00:00

abstract：:The effects of protein phosphorylation and cation depletion on the electron transport rate and fluorescence emission characteristics of photosystem I at two stages of chloroplast development in light-grown wheat leaves are examined. The light-harvesting chlorophyll a/b protein complex associated with photosystem I (LH...

journal_title：Photosynthesis research

authors： Bredenkamp GJ,Baker NR

更新日期：1990-01-01 00:00:00

abstract：:Water vapor was added differentially to the gas streams entering the cells of three makes of differential infrared carbon dioxide analysers. Analyser deflections were compared with those expected from dilution of the carbon dioxide by the additional gas. Tests were made at 0, 365, and 730 cm(3) m(-3) concentrations of...

journal_title：Photosynthesis research

authors： Bunce JA,Ward DA

更新日期：1985-12-01 00:00:00

abstract：:A rapid procedure has been developed for the isolation of the photosystem two reaction centre complex (PS II RC) from a double mutant of Chlamydomonas reinhardtii, F54-14, which lacks the Photosystem one complex and the chloroplast ATPase. Thylakoid membranes are solubilised with 1.5% (w/v) Triton X-100 and the PS II ...

journal_title：Photosynthesis research

authors： Alizadeh S,Nixon PJ,Telfer A,Barber J

更新日期：1995-02-01 00:00:00

abstract：:The dependence on temperature of tryptophan fluorescence lifetime in trimeric photosystem I (PSI) complexes from cyanobacteria Synechocystis sp. PCC 6803 during the heating of pre-frozen to - 180 °C in the dark or in the light-activated preparations has been studied. Fluorescence lifetime in samples frozen in the ligh...

journal_title：Photosynthesis research

authors： Knox PP,Korvatovskiy BN,Gorokhov VV,Goryachev SN,Mamedov MD,Paschenko VZ

更新日期：2019-03-01 00:00:00

abstract：:Tropical plants are sensitive to chilling temperatures above zero but it is still unclear whether photosystem I (PSI) or photosystem II (PSII) of tropical plants is mainly affected by chilling temperatures. In this study, the effect of 4 degrees C associated with various light densities on PSII and PSI was studied in ...

journal_title：Photosynthesis research

authors： Huang W,Zhang SB,Cao KF

更新日期：2010-03-01 00:00:00

abstract：:Phycobilisomes (PBS) are antenna complexes that harvest light for photosystem (PS) I and PS II in cyanobacteria and some algae. A process known as far-red light photoacclimation (FaRLiP) occurs when some cyanobacteria are grown in far-red light (FRL). They synthesize chlorophylls d and f and remodel PS I, PS II, and P...

journal_title：Photosynthesis research

authors： Ho MY,Gan F,Shen G,Bryant DA

更新日期：2017-02-01 00:00:00

abstract：:Rubisco (ribulose-1,5-bisphosphate carboxylase/oxygenase) catalyzes carboxylation of ribulose-1,5-bisphosphate, the first in a series of reactions leading to the incorporation of atmospheric CO₂ into biomass. Rubisco requires Rubisco activase (RCA), an AAA+ ATPase that reactivates Rubisco by remodelling the conformati...

journal_title：Photosynthesis research

authors： Scales JC,Parry MA,Salvucci ME

更新日期：2014-03-01 00:00:00

abstract：:The three major chlorophyll-proteins of spinach chloroplasts were solubilized with digitonin and isolated by electrophoresis with deoxycholate. The gel bands were identified from their absorption and fluorescence spectra measured at 77 K. The slowest moving band was a Photosystem I complex (CPI); the second, a Photosy...

journal_title：Photosynthesis research

authors： Brown JS

更新日期：1983-12-01 00:00:00

abstract：:A spontaneous mutant (R/89) of photosynthetic purple bacterium Rhodobacter sphaeroides R-26 was selected for resistance to 200 μM atrazin. It showed increased resistance to interquinone electron transfer inhibitors of o-phenanthroline (resistance factor, RF=20) in UQo reconstituted isolated reaction centers and terbut...

journal_title：Photosynthesis research

authors： Tandori J,Nagy L,Puskás A,Droppa M,Horváth G,Maróti P

更新日期：1995-08-01 00:00:00

abstract：:A recent publication (Esteban in New Phytol 217:341-342, 2018) describes how the use and citation of the assay of chlorophylls a and b extracted in aqueous 80% acetone by Arnon (Plant Physiol 2:1-15, 1949) is increasing, even in journals with high impact factors. This is a very disconcerting situation: the assay is ou...

journal_title：Photosynthesis research

authors： Porra RJ,Scheer H

更新日期：2019-05-01 00:00:00